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Simplifed semaphore wait logic in poll()

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This commit is contained in:
Gregory Nutt 2014-11-19 09:49:11 -06:00
parent a821fdeb6e
commit bee3640829
1 changed files with 4 additions and 10 deletions
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14
fs/vfs/fs_poll.c
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@ -74,22 +74,16 @@ static int poll_semtake(FAR sem_t *sem)
{
/* Take the semaphore (perhaps waiting) */
while (sem_wait(sem) < 0)
if (sem_wait(sem) < 0)
{
int err = get_errno();
/* The only case that an error should occur here is if the wait was
/* The only case that an error should occur here is if the wait were
* awakened by a signal.
*/
ASSERT(err == EINTR);
/* Received signal, break from poll wait. */
if (err == EINTR)
{
return -EINTR;
}
DEBUGASSERT(err == EINTR);
return -err;
}
return OK;